Photo: Damon Winter/The New York Times; Video: By THE ASSOCIATED PRESS

Donald J. Trump, the presumptive Republican presidential nominee, said at an event in Briarcliff Manor, N.Y., “This election isn’t about Republican or Democrat” but about the “special
interests.”

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The crowd at a Hillary Clinton rally Tuesday at the Duggal Greenhouse in Brooklyn.Credit Doug Mills/The New York Times

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The crowd reacted on Tuesday as results began coming in during a Hillary Clinton campaign rally at the Duggal Greenhouse in Brooklyn.Credit Doug Mills/The New York Times

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Senator Bernie Sanders and his wife, Jane, arrived on Tuesday at Los Angeles International Airport.Credit Jim Wilson/The New York Times

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Joan Morley cast her vote on Tuesday in Ojai, Calif.Credit Hilary Swift
for The New York Times

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A stagehand made final preparations to the set as security personnel watched before Donald J. Trump spoke on Tuesday night at Trump National Golf Club Westchester in Briarcliff Manor, N.Y.Credit Damon Winter/The New York Times

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Voters cast their ballots on Tuesday at the Dr. Walter F. Robinson School in Bayonne, N.J.Credit Sam Hodgson for The New York Times

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Nora Clark left her polling place in Stockton, Calif., after voting in Tuesday’s primary.Credit Max Whittaker for The New York Times

Democrats will vote in six states on Tuesday, just hours after Hillary Clinton secured enough superdelegates,
according to a survey by The Associated Press, to make her the party’s presumptive presidential nominee. But the focus will be on just one of those states: California, the nation’s
most populous state and a liberal stronghold, where Senator Bernie Sanders is hoping to seize a victory to make the case for staying in the race until the party’s convention in July.